Internal Combustion Engine. Most engines in road going vehicles are 4-cycle internal combustion gasoline engines.

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11
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4answers
2k views

Does putting an automatic car into neutral at stop lights significantly harm the transmission?

I drive a 2013 Mazda 3, in case that makes any difference to the answer. There seems to be a few discussions on the web which indicate that putting an automatic car into neutral does not ...
1
vote
1answer
30 views

Car interior rattles on idle

My carb Citroën BX interior rattles on idle. This mostly happens before the engine warms up, as soon as I apply the smallest amount of throttle this disappears, which leads me to apply throttle when ...
8
votes
1answer
41 views

2006 VW Jetta TDI EGR cleanup

I am going to cleanup the EGR pipe in my VW Jetta TDI. Are there any special considerations on how to remove the carbon which might be blocking the flow?
8
votes
2answers
130 views

BSFC (Brake Specific Fuel Consumption) - How is this a beneficial measurement?

Brake Specific Fuel Consumption or BSFC Measuring various attributes of an ICE (Internal Combustion Engine) and how it performs certainly gives a greater understanding of how a particular ICE ...
7
votes
2answers
67 views

My 94 Honda Civic..which is a manual..will crank but not start… but it will clutch off

My 94 Honda Civic..which is a 5 speed manual..will crank but not start..It will clutch off and runs and drives well after that. I have to pump the clutch several times before it will even start to ...
7
votes
2answers
43 views

How to flush engine coolant system after oil intrusion

My 02 Buick LeSabre has oil coming from the radiator into the coolant reservoir. Just recently I had a new motor put in to fix the issue. What would be the best/proper way to flush the radiator? It ...
7
votes
1answer
88 views

Does free revving a diesel engine to 4000 rpm (1.6 crdi- hyundai) cause any damage?

It's a Hyundai CRETA/ ix25 model... clocked 1800kms on the odometer, diesel spec engine 1.6 crdi unit, manual transmission! It has redline at about 4800rpm in the tachometer. When i took it for ...
3
votes
0answers
27 views

2006 Mercedes E350 4matic , v6 engine

Drove kids to school , stop to get ha and made it home then was about to leave back out and the car started to drive sluggish as if it didn't want to do . I proceeded to pull over at a gas station and ...
5
votes
3answers
109 views

I drove my car with the dipstick left out, did I do any damage?

Please guide me. I went for a regular check up of my new Celerio gasoline driven car. The Maruti Workshop mechanic made a mistake. He left the dipstick out after he checked my oil. I figured it out ...
5
votes
1answer
35 views

I hear a click when i go to start my car… But starts up on second attempt

Why is my 2009 chevy malibu doing this click before i start it up?
6
votes
0answers
63 views

Warm fuel injected engine stutters when accelerating

I have a 1994 Honda Concerto 1.5l gasoline car, fuel injected. When the engine is cold there are no accleration problems. But once it warms up it stutters if I step hard on the gas. When it does ...
4
votes
1answer
57 views

Car is shaking, feels like the car doesn't have as much power, gear knob also shaking and exhaust smelt of fuel (and was louder than usual)

Okay so the car is a Nissan 200SX S15 and as i'm relatively new to the manual transmission I wanted to practice hill starting (which is where i screwed up). I pretty much let go of the clutch way too ...
6
votes
3answers
363 views

Engine temperature range?

Our 'new' ('07) Cobalt has a digital temp readout. Temperature varies substantially, depending on driving conditions - I've seen it as high as 210(F) on city streets, on a not-very-warm day. Our old ...
6
votes
2answers
53 views

Rhythmic “soft screeching” noise for a minute after cold starts on cold days … sometimes

2004 Infiniti G35, 155k KMs (~97k miles), totally stock. Intermittently, after cold starts on cold mornings, I hear a "soft metal screeching" oscillating roughly twice a second. The sound disappears ...
7
votes
3answers
52 views

Where can I get help finding my way around the engine of my specific model of car?

After a bit of intensive study I've learned the ins and outs of how a car works, the majority of it. Not well enough to stop needing a mechanic, but well enough to understand what every component ...
5
votes
2answers
58 views

Engine sputters when turning left corner

In my 1986 Ford F-150 (carbureted) when I go left around a corner, the engine sputters. Feels very similar to running out of gas, but it picks back up once I stop turning. Only happens in a sharp ...
6
votes
1answer
49 views

08 Silverado 5.3 rough idle and dark cold start exhaust

I recently bought a 2008 Silverado 5.3 with 77k on it. After a couple weeks I noticed that at idle the engine would stumble and my rpms would drop slightly. It eventually set off the check engine ...
8
votes
1answer
273 views

Is the unreliability of the 400 Small Block Chev an Urban Myth?

The Gen 1 Small Block Chev gradually grew to 400cid. To achieve this massive volume the bores were siamesed and the conrods were shortened.The engine when produced in passenger car form had the same ...
3
votes
0answers
30 views

Audi A1 makes a loud engine sound

I recently started hearing really loud noises coming from my engine. When I turn the engine on the noise is much louder then normal. When I open the hood to look at the engine I can see it is shaking ...
2
votes
1answer
40 views

Replace lifter without removing heads or engine in 2000 Mustang?

https://www.youtube.com/watch?v=F-9dFdGq-vI I don't see why it wouldn't work as long as I torque everything down correctly and put it back together correctly.
8
votes
0answers
78 views

Clunking sounds when decelerating or idle with clutch engaged

I have an issue with a 2010 Opel / Vauxhall Insignia 2.0 CDTI Sports Tourer (aka Buick Regal in the States if I'm not mistaken) and I'm having difficulties pinning it down. It's going to be a lengthy ...
8
votes
1answer
81 views

Can't find schrader valve

I have a 89 camaro with a 350 engine, where can I find the fuel valve where I connect the fuel pressure tester? I looked up videos on where it's located but mine doesn't seem to have it, is there ...
8
votes
3answers
97 views

Merits and demerits of OHV vs OHC

Can anybody tell me about the merits and demerits of OHV (overhead valve) vs OHC (overhead camshaft)? Some experts say that an OHC engine will run faster than OHV engine. Why is this?
5
votes
2answers
93 views

Can engine oil type cause a car to overheat?

I own a Peugeot 405. At first I was using 20w-50 engine oils but The last time I went for changing the engine oil I used 10w-40. After that The engine temperature rises constantly and (even when it's ...
4
votes
0answers
94 views

Radiator has a leak and the upper hose is clogged, car does not overheat. White smoke from upper hose

My car is a 2003 Buick Century and it has been leaking for the past few months (puddles of coolant under the car). Now the car begins to have white smoke coming from the engine and it has a sweet ...
5
votes
1answer
61 views

Rod knock in my engine?

Kindly assist. My 1GFE engine had a rod knock sound and I replaced all the bearings, oil filter, cleaned the sump & strainer and tolled it with brand new fully synthetic oil. The engine ran for ...
0
votes
1answer
76 views

How to go VTEC with a D16A8 DOHC engine [closed]

Living in South Africa. I have a 160E Honda Ballade ABS and a D16A8 motor. Need to go VTEC BT, not sure if I can go F18 SOHC VTEC, replacing the engine and gearbox and management. Is it possible to ...
0
votes
0answers
50 views

Cleaned Battery Corrosion and Now Engine Won't Rev

I had a large build-up of battery corrosion on my car battery. I unplugged the cables off it, cleaned the terminals with soda. After reattaching everything, I now find that while my truck will start, ...
3
votes
1answer
43 views

Engine won't rev past 2500 in Park/Neutral

I am just through replacing the catalytic converters on an 06 Ford Expedition with about 151k miles on it. To break in new cats, you must run it at idle for about 5 minutes, then increase the engine ...
4
votes
1answer
87 views

1996 Mustang GT won't start with shifter in Park, but will start in Neutral

I just had this weird problem today. The engine will turn fine, but won't start with shifter in Park. Once started in Neutral the motor runs fine with no hesitations. Battery is strong. Any ideas?
0
votes
1answer
36 views

Diesel engine vs petrol engine characteristics [duplicate]

Please explain why Diesel engines (in general): vibrate more. are louder. I understand in principal how both engine types work so feel free to go into technical details. My assumption is that it ...
2
votes
1answer
38 views

Citroen C3 Picasso HDI 1.6 - Oil Consumption Question

I just bought a 1.6 HDI Picasso C3. After driving 1000 km i noticed it consumed about 1/8 of oil on the oil measuring stick. my question is how much liters does the stick measure? is half a stick ...
2
votes
0answers
24 views

Chevy sonic 2014 [closed]

I have a Chevy sonic 2014, purchased from B M W about 2 months ago. My car smelled like it was getting warm. Opened the hood brown sludge. Mechanic says it isn't a head gasket and are unable to detect ...
4
votes
2answers
77 views

Do I need to worry about varying boost pressure when installing an electric supercharger?

Do I require to vary the boost pressure with respect to an increase or decrease of throttle (engine rpm)? *Note: The supercharger is electrically driven (motor) and not by engine crankshaft.
6
votes
3answers
184 views

Weird “old”-sounding engine noise. What's the problem?

Hyundai Sonata 2000 150,000 miles I started getting a noise in the engine that I would describe as "light", and "enginey" Here is a video with sound. https://vid.me/9gkr The sound becomes more ...
6
votes
0answers
117 views

Once-only thud knock when open throttle

I have a 1997 Yamaha TRX850. When I open the throttle I'm hearing a thud knock sound near the left crankshaft cover. That sound does not always appears and I can't find any correlation between ...
1
vote
1answer
48 views

GDI intake cleaning before or after oil change?

I drive a 2014 Kia Rio 1.6l engine with direct injection. I am at 22000km and considering using this intake cleaning product that gets sprayed into the intake. ...
1
vote
0answers
46 views

Supercharging small engine [duplicate]

How do I determine safe supercharged pressure and cfm for a small engine (149 cc)? Yamaha fz 2.0 (India) 9.31 cubic inches 13.1 PS (12.9 BHp) Fuel injected 18.4 engine cfm
1
vote
1answer
89 views

Supercharger calculations

How to determine safe supercharged pressure and CFM for a motor cycle engine (fuel injected 149cc (9.31 cubic inches) 12.9 bhp?
13
votes
3answers
278 views

Why does GM still insist on push rod engines?

GM continues to design and produce push rod (Over Head Valve or OHV) engines while most of their competitors have gone to over head cam (OHC) configurations for their performance engines. Is there a ...
2
votes
0answers
61 views

P0304 code on PT Cruiser

I have a 2005 PT Cruiser Convertible that's leaking oil in #4 cylinder causing engine light to come on. Now, I have changed valve cover gasket and tube seals, spark plugs and wires and coil, pcv ...
6
votes
0answers
49 views

semi loud growling noise at all speeds

I have a 1998 GMC Sonoma SLS with a 4.3 l V6 Vortec. It used to purr, now it growls, sounds like a small diesel engine. Vibration can be felt (mostly in the dead pedal) and also vibrates/growls in ...
9
votes
3answers
116 views

Should I replace piston rings on chevy 350?

I recently acquired a chevy 350 manufactured in 2015 for free because of some crank issues. I'm in the process of rebuilding it and have finished the disassembly of the engine. The engine itself only ...
4
votes
1answer
51 views

Lean Fuel Code on V10

I have 1999 V10 Ford chassis on a 2000 Coachman motorhome. Engine starts great when cold, runs great, idles great, no skipping, missing, etc. Problem is that after driving more than 30 minutes or so ...
2
votes
1answer
43 views

2004 Honda Pilot wont start

I have a 2004 honda Pilot. Ok look carefully it has 510,453 miles on it. It wont start. I had a bad alternator for 2 weeks over charging my battery. I changed it. New spark plugs also. So 2 days ago i ...
4
votes
4answers
101 views

Will my 2002 Mustang make it from California to Iowa?

I have a great 2002 Mustang automatic 6cyl in great condition, but I am a worrier and want some outside opinions. I am the second owner of the vehicle. Have owned it for 1year, 7 months and I get my ...
5
votes
1answer
81 views

engine push rods

I have a Toyota owner Jeep. Had a blown head gasket, most likely cause it got over heated. I removed the head and had machine shop do a valve job and had the head re-surfaced, put together, set the ...
4
votes
1answer
59 views

Vehicle tries to stall when at a stop

Have a 2009 Saturn. Two weeks ago I took it for a basic oil change at the dealership and requested that it be checked out for any other problems but I have noticed that sometimes at a stop light it ...
4
votes
1answer
42 views

Can getting rear ended crack your engine mount?

I was sitting at a dead stop at a traffic light when a pickup truck rear-ended me. I drive a Honda Accord and the bumper withstood the impact pretty well but still needs to be replaced. Immediately ...
5
votes
1answer
72 views

I have engine oil in my coolant. What might be the reason?

I have purchased a pre-owned car. After the purchase I saw there was engine oil in the coolant reservoir and also the coolant level is going down slightly. Engine is not heating up. What do I do? ...